The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules
Abstract Closed reduction and internal fixation with three cannulated compression screws is a common method for treating femoral neck fractures in young and middle-aged patients. Protocols including the inverted triangle configuration and dispersion of the screws still needed further supports. The p...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2022-01-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-021-03666-1 |
| _version_ | 1819008635444920320 |
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| author | Ru Yi Zhang Jian Tao Li Jing Xin Zhao Zhe Zhao Li Cheng Zhang Cai Yun Xiu Yun Su Pei Fu Tang |
| author_facet | Ru Yi Zhang Jian Tao Li Jing Xin Zhao Zhe Zhao Li Cheng Zhang Cai Yun Xiu Yun Su Pei Fu Tang |
| author_sort | Ru Yi Zhang |
| collection | DOAJ |
| description | Abstract Closed reduction and internal fixation with three cannulated compression screws is a common method for treating femoral neck fractures in young and middle-aged patients. Protocols including the inverted triangle configuration and dispersion of the screws still needed further supports. The purpose of this study was to explore a novel oblique triangle configuration (OTC) of three screws in fixing femoral neck fractures based on the morphology of the femoral neck isthmus (FNI). The computer-aided design modules were used to explore the ideal spatial configuration with largest triangle by three parallel screws. A univariate evaluation model was established based on the oval-like cross-section of the FNI. When the three screws were positioned by the OTC, Inverted Equilateral Triangle Configuration (IETC), and the Maximum Area Inverted Isosceles Triangle Configuration (MA-IITC) respectively, the proportion of area and circumference in the cross-section of FNI and the changing trend of proportion were compared under various torsion angles, eccentricity, and cross-sectional area of FNI. The area and circumference ratios of the parallel screws using the OTC method were significantly higher than in the IETC and MA-IITC groups. In the univariate evaluation model, the OTC area ratio and circumference ratio remained stable under the different femoral neck torsion angles, FNI cross-sectional area, and eccentricity. The OTC method provided an ideal spatial configuration for the FNA fixation with the largest area using three parallel screws. The position of the posterior screw was also away from the metaphyseal artery, potentially reducing the possibility of vascular injury and screw penetrating. |
| first_indexed | 2024-12-21T00:43:36Z |
| format | Article |
| id | doaj.art-176f268213494110980b83da0876f6f0 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-12-21T00:43:36Z |
| publishDate | 2022-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-176f268213494110980b83da0876f6f02022-12-21T19:21:35ZengNature PortfolioScientific Reports2045-23222022-01-011211710.1038/s41598-021-03666-1The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modulesRu Yi Zhang0Jian Tao Li1Jing Xin Zhao2Zhe Zhao3Li Cheng Zhang4Cai Yun5Xiu Yun Su6Pei Fu Tang7Department of Orthopaedics, Beijing Shijingshan Hospital, Shijingshan Teaching Hospital of Capital Medical UniversityDepartment of orthopedics, The fourth medical center, General Hospital of Chinese PLADepartment of orthopedics, The fourth medical center, General Hospital of Chinese PLADepartment of Orthopaedics, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua UniversityDepartment of orthopedics, The fourth medical center, General Hospital of Chinese PLADepartment of Orthopaedics, Beijing Shijingshan Hospital, Shijingshan Teaching Hospital of Capital Medical UniversityDepartment of Orthopaedics, Zouthern University of Science and Technology HospitalDepartment of orthopedics, The fourth medical center, General Hospital of Chinese PLAAbstract Closed reduction and internal fixation with three cannulated compression screws is a common method for treating femoral neck fractures in young and middle-aged patients. Protocols including the inverted triangle configuration and dispersion of the screws still needed further supports. The purpose of this study was to explore a novel oblique triangle configuration (OTC) of three screws in fixing femoral neck fractures based on the morphology of the femoral neck isthmus (FNI). The computer-aided design modules were used to explore the ideal spatial configuration with largest triangle by three parallel screws. A univariate evaluation model was established based on the oval-like cross-section of the FNI. When the three screws were positioned by the OTC, Inverted Equilateral Triangle Configuration (IETC), and the Maximum Area Inverted Isosceles Triangle Configuration (MA-IITC) respectively, the proportion of area and circumference in the cross-section of FNI and the changing trend of proportion were compared under various torsion angles, eccentricity, and cross-sectional area of FNI. The area and circumference ratios of the parallel screws using the OTC method were significantly higher than in the IETC and MA-IITC groups. In the univariate evaluation model, the OTC area ratio and circumference ratio remained stable under the different femoral neck torsion angles, FNI cross-sectional area, and eccentricity. The OTC method provided an ideal spatial configuration for the FNA fixation with the largest area using three parallel screws. The position of the posterior screw was also away from the metaphyseal artery, potentially reducing the possibility of vascular injury and screw penetrating.https://doi.org/10.1038/s41598-021-03666-1 |
| spellingShingle | Ru Yi Zhang Jian Tao Li Jing Xin Zhao Zhe Zhao Li Cheng Zhang Cai Yun Xiu Yun Su Pei Fu Tang The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules Scientific Reports |
| title | The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules |
| title_full | The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules |
| title_fullStr | The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules |
| title_full_unstemmed | The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules |
| title_short | The oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer-aided design modules |
| title_sort | oblique triangle configuration of three parallel screws for femoral neck fracture fixation using computer aided design modules |
| url | https://doi.org/10.1038/s41598-021-03666-1 |
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